30 Rock: Will Arnett And Steve Buscemi Return! Plus: Megan Mullally, Octavia Spencer Drop By

30 ROCK — "Game Over" Episode 709 — Pictured: Will Arnett as Devon Banks — (Photo by: Ali Goldstein/NBC)

30 ROCK — "Game Over" Episode 709 — Pictured: (l-r) Will Arnett as Devon Banks, Alec Baldwin as Jack Donaghy — (Photo by: Ali Goldstein/NBC)

30 ROCK — "Game Over" Episode 709 — Pictured: (l-r) Will Arnett as Devon Banks, Alec Baldwin as Jack Donaghy — (Photo by: Ali Goldstein/NBC)

30 ROCK — "Game Over" Episode 709 — Pictured: (l-r) Alec Baldwin as Jack Donaghy, Will Arnett as Devon Banks — (Photo by: Ali Goldstein/NBC)

30 ROCK — "Game Over" Episode 709 — Pictured: (l-r) Will Arnett as Devon Banks, Alec Baldwin as Jack Donaghy — (Photo by: Ali Goldstein/NBC)

30 ROCK — "Game Over" Episode 709 — Pictured: (l-r) Octavia Spencer as herself, Tracy Morgan as Tracy Jordan — (Photo by: Ali Goldstein/NBC)

30 ROCK — "Game Over" Episode 709 — Pictured: (l-r) Tracy Morgan as Tracy Jordan, Octavia Spencer as herself — (Photo by: Ali Goldstein/NBC)

30 ROCK — "Game Over" Episode 709 — Pictured: Steve Buscemi as Len — (Photo by: Ali Goldstein/NBC)

30 ROCK — "Game Over" Episode 709 — Pictured: Steve Buscemi as Len — (Photo by: Ali Goldstein/NBC)

30 ROCK — "Game Over" Episode 709 — Pictured: (l-r) Alec Baldwin as Jack Donaghy, Chloe Grace Moretz as Kaylie Hooper — (Photo by: Ali Goldstein/NBC)

30 ROCK — "Game Over" Episode 709 — Pictured: (l-r) Steve Buscemi as Len, Jane Krakowski as Jenna Maroney — (Photo by: Ali Goldstein/NBC)

30 ROCK — "Game Over" Episode 709 — Pictured: (l-r) Tina Fey as Liz Lemon, Chris Parnell as Dr. Leo Spaceman — (Photo by: Ali Goldstein/NBC)